Book Image

Practical Business Intelligence

By : Ahmed Sherif
Book Image

Practical Business Intelligence

By: Ahmed Sherif

Overview of this book

Business Intelligence (BI) is at the crux of revolutionizing enterprise. Everyone wants to minimize losses and maximize profits. Thanks to Big Data and improved methodologies to analyze data, Data Analysts and Data Scientists are increasingly using data to make informed decisions. Just knowing how to analyze data is not enough, you need to start thinking how to use data as a business asset and then perform the right analysis to build an insightful BI solution. Efficient BI strives to achieve the automation of data for ease of reporting and analysis. Through this book, you will develop the ability to think along the right lines and use more than one tool to perform analysis depending on the needs of your business. We start off by preparing you for data analytics. We then move on to teach you a range of techniques to fetch important information from various databases, which can be used to optimize your business. The book aims to provide a full end-to-end solution for an environment setup that can help you make informed business decisions and deliver efficient and automated BI solutions to any company. It is a complete guide for implementing Business intelligence with the help of the most powerful tools like D3.js, R, Tableau, Qlikview and Python that are available on the market.
Table of Contents (16 chapters)
Practical Business Intelligence
About the Author
About the Reviewer
Customer Feedback

Blending D3 and data

The ultimate goal with any visualization is to incorporate actual data elements within the components. Earlier examples showed D3 elements with data points set up inside of the attributes. The next example will highlight creating the same visualization of four bar charts while assigning the height to a variable.

Visualizing hardcoded data

We will start with a new blank template for D3, with only a <body> tag and a <script> tag. All coding will now be inside the <script> tag.

First off, we will assign a couple of variables that will come into play as we put together the bar chart:

var svgHeight = 500; 
var svgWidth = 500; 
var barHeight = [100,200,300,400]; 
var barDistance = 25; 

svgHeight and svgWidth are two variables that we will use to create dimensions for the canvas that we will be working with inside of the browser. Similar to previous examples, it will be a 500 x 500 square. The barHeight variable is the data that we will use to assign a specific...